Harahap, I. (2021). Muslim consumers’ awareness levels on halal vinegar products: A case study in Selangor. Usuli Faqih Research Centre PLT.
استشهاد بنمط شيكاغوHarahap, Iswandi. Muslim Consumers’ Awareness Levels On Halal Vinegar Products: A Case Study in Selangor. Usuli Faqih Research Centre PLT, 2021.
MLA استشهادHarahap, Iswandi. Muslim Consumers’ Awareness Levels On Halal Vinegar Products: A Case Study in Selangor. Usuli Faqih Research Centre PLT, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.